Home / 130,287.87-179,551.53-104,417.03

Finding the Fourth Proportional to 130,287.87, 179,551.53 and 104,417.03

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Solution

The fourth proportional to 130,287.87, 179,551.53 and 104,417.03 is: 143,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.87 : 179,551.53 = 104,417.03 : x
  2. Step 2: Convert to fraction form
    130,287.87/179,551.53 = 104,417.03/x
  3. Step 3: Cross multiply
    130,287.87x = 179,551.53 × 104,417.03
  4. Step 4: Simplify right side
    130,287.87x = 18,748,236,596.80
  5. Step 5: Solve for x
    x = 18,748,236,596.80/130,287.87
  6. Step 6: Final answer
    x = 143,898.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.